This is the premier genealogy site on the Internet. With billions of records from all over the world, you can do much of the initial legwork of your genealogy on this site alone. It has every U.S. census, each with a searchable index, old newspaper records, military records, city directories, old yearbook records, old photographs users have uploaded, user uploaded family trees, and more. It is also an excellent place for getting in touch with other relatives you may not have met before who are working on the same line or lines as you. This is a membership site. Prices vary according to the level and length of membership you choose.